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Buna-N O-Ring, 7.55" ID, 9.54" OD, 304 Stainless Steel

Expert Overview

This industrial O-ring, manufactured from robust 304 stainless steel, offers superior sealing capabilities. Designed with precise dimensions, it ensures leak-proof performance in demanding industrial environments.

StandardISO 9001
Material304 Stainless Steel
FinishGalvanized
GradeN/A
Inside Diameter7.550"
Outside Diameter9.543"
Cross Section0.070"

Detailed Engineering Specifications

Engineered for reliability and performance, this Buna-N O-ring features a precise inside diameter of 7.550 inches and an outside diameter of 9.543 inches, with a minimal 0.070-inch cross-section. The 304 stainless steel construction provides excellent corrosion resistance, making it suitable for a wide range of chemical and temperature exposures. Its high tensile strength and elongation properties ensure a tight, resilient seal under pressure, effectively preventing fluid or gas leakage in critical applications.

🧊 Download 3D CAD Model (.STEP)

Verified Global OEM Partners

This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.

TrelleborgEst. 1905
Sweden🇸🇪
"Engineered polymer solutions."
Market Rank
🏆 #1 Engineered Polymers
Industry Approvals
🚀 Aerospace & Subsea Approved
Warranty & Support
🛡️ High-Performance Guarantee
Green Manufacturing
🌱 Blue Dimension ESG
Certified:ISO 9001, ISO 14001
GarlockEst. 1887
USA🇺🇸
"High-performance fluid sealing."
Market Rank
🏆 Premium Fluid Sealing Leader
Industry Approvals
🚀 Nuclear & Pharma Approved
Warranty & Support
🛡️ Zero-Leak Guarantee
Green Manufacturing
🌱 Sustainable Materials
Certified:ISO 9001, FDA, NSF
FreudenbergEst. 1849
Germany🇩🇪
"Global sealing technologies."
Market Rank
🏆 Top Global Sealing Tech
Industry Approvals
🚀 Audi & Mercedes OEM
Warranty & Support
🛡️ Global Engineering Support
Green Manufacturing
🌱 Climate Neutral 2045
Certified:IATF 16949, ISO 14001

Certifications & Compliance

RoHS Compliant:Yes
REACH Compliant:Yes
Material Traceability:Available on Request
DFARS Compliant:Yes

Installation Procedure

1. Ensure the mating groove surfaces are clean and free of debris, burrs, or nicks. 2. Lightly lubricate the O-ring with a compatible lubricant to facilitate installation and prevent damage. 3. Carefully install the O-ring into the groove, ensuring it is seated evenly and not twisted.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

Mechanical Properties

Tensile Strength75,000 psi (515 MPa)
Yield Strength30,000 psi (205 MPa)
Elongation in 2 in.40% min
HardnessRockwell B95 max

Chemical Composition

Carbon (C)0.08% max
Chromium (Cr)18.0 - 20.0%
Nickel (Ni)8.0 - 10.5%
Manganese (Mn)2.00% max

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1400°F (760°C)
Thermal Expansion
Typical for Material Class

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
StandardVaries by dimensionContact Sales

Corrosion Resistance Guide

EnvironmentRating
Indoor / DryExcellent
Outdoor / ExposedExcellent
Marine / SaltwaterGood
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using incompatible lubricants that can degrade the Buna-N material.Refer to chemical compatibility charts to select a lubricant specifically approved for Buna-N elastomers.
Overstretching or twisting the O-ring during installation, leading to premature failure.Install the O-ring carefully, avoiding excessive stretching and ensuring it sits flat within the groove without any twists.

Common Applications

  • Hydraulic and pneumatic systems
  • Fluid handling equipment
  • Automotive and aerospace seals

⚠️ Engineering Warnings

  • Not suitable for use with strong oxidizing agents or petroleum-based hydraulic fluids.
  • Operating temperature limits for Buna-N should be strictly adhered to for optimal performance and longevity.

Alternative Products to Consider

Premium Sealing equivalentHigher corrosion resistance (316 SS)
Economy Sealing optionLower cost for non-critical indoor applications

Frequently Asked Questions

Q: What is the Industrial O-Ring, Buna-N made from?

A: This Industrial O-Ring, Buna-N is manufactured from 304 Stainless Steel.

Q: What are the main applications?

A: Hydraulic and pneumatic systems, Fluid handling equipment, Automotive and aerospace seals.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 7.550"CS = 0.070"SPECIFICATIONSSize: -214

Torque Specifications

⚡ UNIT CONVERTER

Conversion factor: 1 ft-lb ≈ 1.356 Nm

Verified Compatibility

StatusMating ComponentStandardTorque SpecEngineering Notes
No verified compatibility data found for this component.